Finding the Fourth Proportional to 1,133,805.60, 1,564,651.56 and 624,507.96
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Solution
The fourth proportional to 1,133,805.60, 1,564,651.56 and 624,507.96 is: 861,820.89
Step by Step Solution
- Step 1: Write the proportion equation
1,133,805.60 : 1,564,651.56 = 624,507.96 : x - Step 2: Convert to fraction form
1,133,805.60/1,564,651.56 = 624,507.96/x - Step 3: Cross multiply
1,133,805.60x = 1,564,651.56 × 624,507.96 - Step 4: Simplify right side
1,133,805.60x = 977,137,353,846.42 - Step 5: Solve for x
x = 977,137,353,846.42/1,133,805.60 - Step 6: Final answer
x = 861,820.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.